US Bridges

Rs 1944 474-793.71 over Smoky Hill River

Good

Saline County, Kansas · 1.2E of Mentor · Structure no. 000000000850970

Built
1982
43 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
356 ft
4 main spans
Daily traffic
79
2019 count
Owner
County
County Highway Agency

About this bridge

Rs 1944 474-793.71 over Smoky Hill River is a prestressed concrete continuous stringer/multi-beam or girder carrying Rs 1944 474-793.71 over Smoky Hill River in Saline County, Kansas. It was built in 1982, so it is 43 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 79 vehicles a day, roughly 6% of them trucks, projected to reach 96 by 2043. The structure is 356 ft (108.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRs 1944 474-793.71
CrossesSmoky Hill River
Location1.2E of Mentor
RouteCounty Highway 1944
StateKansas
Coordinates38.74043, -97.58062
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating49.1 US tons
Inventory rating28.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length356 ft (108.5 m)
Longest span88 ft (26.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic79 (2019)
Projected traffic96 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1944 474-793.71 over Smoky Hill River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Rs 1944 474-793.71 over Smoky Hill River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Rs 1944 474-793.71 over Smoky Hill River carry?

About 79 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Rs 1944 474-793.71 over Smoky Hill River?

The structure is 356 ft (108.5 m) long with a longest span of 88 ft (26.8 m) and a deck 30 ft wide.

Who owns Rs 1944 474-793.71 over Smoky Hill River?

It is owned by the County Highway Agency.